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| author | Alexander Færøy <ahf@torproject.org> | 2018-12-14 03:31:56 +0100 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2018-12-17 16:39:28 -0500 |
| commit | c8b8b15f0eb2651dea694a057e70e6b8c34dbe05 (patch) | |
| tree | 84a38b2c9e2646dfb3b8ecf24873287798136e96 | |
| parent | 651cdd05b7071bff4da7c3335f697d90c82c9f3e (diff) | |
| download | tor-c8b8b15f0eb2651dea694a057e70e6b8c34dbe05.tar.gz tor-c8b8b15f0eb2651dea694a057e70e6b8c34dbe05.zip | |
Ensure that line_size >= 1 before trying to trim input string.
See: https://bugs.torproject.org/28179
| -rw-r--r-- | src/lib/process/process.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/lib/process/process.c b/src/lib/process/process.c index fb76a0a725..b3370e919f 100644 --- a/src/lib/process/process.c +++ b/src/lib/process/process.c @@ -766,13 +766,13 @@ process_read_lines(process_t *process, tor_assert(ret != -1); /* Remove \n from the end of the line. */ - if (data[line_size - 1] == '\n') { + if (line_size >= 1 && data[line_size - 1] == '\n') { data[line_size - 1] = '\0'; --line_size; } /* Remove \r from the end of the line. */ - if (data[line_size - 1] == '\r') { + if (line_size >= 1 && data[line_size - 1] == '\r') { data[line_size - 1] = '\0'; --line_size; } |